Asmart center&reg; U8 Bluetooth 3.0 Smart Watch Touch Screen WristWatch for Android Samsung Galaxy HTC -Black (black) Bluetooth 3.0 Smart Watch built in 1.44inch touch screen. Time / Date / Week / Battery state display. Answer or Dial calls from your wrist. Ring reminder when your smart phone receive a message (including SMS,Wechat, Facebook, Twitter, WhatsApp, Skype, and so on. Only for android phone. you need to download apk).Note:IOS phone only can Answer or Dial calls from the watch. Remote taking photo function: You can control your cellphone to take photo from the watch.(only for android phone and you need to download apk). Anti-lost alarm function: When cellphone left watch alarm automatically, after a certain distance to avoid lose the phones.